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United States Patent | 5,768,963 |
Bruehwiler | June 23, 1998 |
In the punching of a stack (7) of sheet-like articles, especially labels made from paper or paperboard, with a punching knife (4), a punching ram (3) which can be moved to the punching knife (4) and a counter-pressure plunger (5) which is guided through the punching knife (4), the punching knife (4) and the counter-pressure plunger (5) are arranged on the carriage (10) which can be moved towards and away from the punching ram (3). As a result, a receiving apparatus (26) which can be moved laterally towards and away from the punching area can remove the ready-punched stack (21) and at the same time a new stack (7) of precut sheets can be presented to the punching ram (3).
Inventors: | Bruehwiler; Michel G. (Babson Park, MA) |
Assignee: | Blumer Maschinenbau AG (Otelfingen, CH) |
Appl. No.: | 666387 |
Filed: | August 7, 1996 |
PCT Filed: | October 17, 1995 |
PCT NO: | PCT/CH95/00241 |
371 Date: | August 7, 1996 |
102(e) Date: | August 7, 1996 |
PCT PUB.NO.: | WO96/12593 |
PCT PUB. Date: | May 2, 1996 |
Oct 20, 1994[CH] | 03 154/94 |
Current U.S. Class: | 83/27; 83/50; 83/55; 83/91; 83/112; 83/123; 83/569 |
Intern'l Class: | B26D 007/18; B26F 001/40 |
Field of Search: | 83/123,158,160,431,566,568,569,23,50,55,91,90,27,112,153 |
2483735 | Oct., 1949 | Noell | 83/123. |
3290977 | Dec., 1966 | Brestel et al. | 83/566. |
3505918 | Apr., 1970 | Schneider | 83/123. |
3546990 | Dec., 1970 | Schneider | 83/123. |
3741057 | Jun., 1973 | Maschinot | 83/569. |
5183247 | Feb., 1993 | Blumer. | |
Foreign Patent Documents | |||
0 273 690 A2 | Jul., 1988 | EP. | |
361615 | Jul., 1905 | FR. | |
743981 | Apr., 1933 | FR. | |
611655 | Mar., 1935 | DE. | |
40 13 071 A1 | Jun., 1991 | DE. | |
844564 | Aug., 1960 | GB. | |
1 213 214 | Nov., 1970 | GB. |